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package cz.mzk.kramerius.articles.importFromLn.krameriusAccess;

/**
 *
 * @author Martin Řehánek (rehan@mzk.cz)
 */
public interface PeriodicalAccess {

    String getPeriodicalPid();

    /**
     *
     * @param volumeNumber number of volume withing the periodical
     * @return PID of volume or null if volume does not exist
     */
    String getVolumePid(Integer volumeNumber);

    /**
     *
     * @param volumeNumber number of volume withing the periodical
     * @return year of the volume or null if volume does not exist
     */
    Integer getVolumeYear(int volumeNumber);
}
